Optical gun sight for a firearm



FIG. 1 is a perspective view of an optical gun sight for a firearm showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is an opposite side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the optical gun sight for a firearm are for the purpose of illustrating environment and form no part of the claimed design. 

CLAIM The ornamental design for an optical gun sight for a firearm, as shown and described. 